Shim



FIG. 1 is an upper perspective view of the shim.

FIG. 2 is a top view of the shim.

FIG. 3 is a bottom view of the shim.

FIG. 4 is a left side view of the shim.

FIG. 5 is a right side view of the shim.

FIG. 6 is a front view of the shim; and,

FIG. 7 is a back view of the shim. 

CLAIM The ornamental design for a shim, as shown and described. 